Global Patent Index - EP 0295552 B2

EP 0295552 B2 19990113 - Method for the production of pentenoic acid esters

Title (en)

Method for the production of pentenoic acid esters

Title (de)

Verfahren zur Herstellung von Pentensäureestern

Title (fr)

Procédé pour la fabrication d'esters de l'acide penténoique

Publication

EP 0295552 B2 19990113 (DE)

Application

EP 88109090 A 19880608

Priority

DE 3719935 A 19870615

Abstract (en)

[origin: US4879405A] Pentenoic esters are prepared by heating formylvaleric esters at from 50 DEG to 400 DEG C. in the presence of zeolites or one or more phosphates selected from the group consisting of aluminum phosphate, silicon aluminum phosphate, boron aluminum phosphate, silicon iron aluminum phosphate, cerium phosphate, zirconium phosphate, boron phosphate, iron phosphate and strontium phosphate.

IPC 1-7

C07C 69/533; C07C 67/333

IPC 8 full level

B01J 29/84 (2006.01); B01J 27/18 (2006.01); B01J 27/182 (2006.01); B01J 29/06 (2006.01); B01J 29/42 (2006.01); B01J 29/82 (2006.01); B01J 29/85 (2006.01); B01J 29/86 (2006.01); B01J 29/88 (2006.01); B01J 29/89 (2006.01); C07B 61/00 (2006.01); C07C 67/293 (2006.01); C07C 67/333 (2006.01); C07C 69/533 (2006.01)

CPC (source: EP US)

C07C 69/533 (2013.01 - EP US)

Designated contracting state (EPC)

BE CH DE ES FR GB IT LI NL

DOCDB simple family (publication)

EP 0295552 A2 19881221; EP 0295552 A3 19891115; EP 0295552 B1 19920318; EP 0295552 B2 19990113; DE 3719935 A1 19881229; DE 3869222 D1 19920423; ES 2030789 T3 19921116; ES 2030789 T5 19990316; JP 2642139 B2 19970820; JP S6413055 A 19890117; US 4879405 A 19891107

DOCDB simple family (application)

EP 88109090 A 19880608; DE 3719935 A 19870615; DE 3869222 T 19880608; ES 88109090 T 19880608; JP 14597388 A 19880615; US 20533588 A 19880610